Abah is a surname. Notable people with this surname include:
- Betty Abah (born 1974), Nigerian journalist
- Enejoh Abah (born 1990), Nigerian badminton player
- Mohammed Seidu Abah, Ghanaian politician
- Prisca Abah (born 1999), Ghanaian model
- Yousab El Abah (1735-1826), Christian bishop and theologian